just brought htc pro 7, need some help please

i have just brought the htc pro 7 and am tryin to find out if there are any updates i need or just updates i should install to improve the phone?
i keep seeing something about manga can someone tell me what this is and if i need it on the phone and where to get it from if needed please

thank you for any help. ( im uk based not sure if this makes any difference )

Your phone will alert you when the Mango update is available (probably in the next two week), but you will need a PC, with Zune installed, to update the phone. Zune also backs up your photos/videos and allows you to sync music with your phone.